Apple Watch Series 2 - 38mm Rose Gold Aluminum Case - Rose Gold Sport Band

Stainless steel or aluminum case
Dual-core processor
Built-in GPS
Water resistant up to 50 meters1
Wi-Fi (802.11 b/g/n 2.4Ghz)
Bluetooth 4.0
Heart rate sensor
Accelerometer
Gyroscope
Ambient light sensor
Second-generation OLED Retina display with Force Touch (2x brighter)2
Sapphire crystal (stainless steel and ceramic cases)
Ion-X glass (aluminum cases)
Built-in rechargeable lithium-ion battery
Up to 18 hours of battery life4
Magnetic charging cable